4
INSTALL FLUSH VALVE; Fig. 6a & 6b
1. As shown in Fig. 6a, insert the side INLET FLANGE (1)
on the FLUSH VALVE (2) into the SUPPLY STOP (3).
Lubricate the INLET FLANGE O-RING (4) with water if
necessary. Lightly tighten COUPLING NUT (5). Fig. 6a.
Important: Do not use lubricants (other than water) or
any type of thread sealing paste or tape.
2. Align the FLUSH VALVE (2) (Fig. 6b) directly above
the VERTICAL TUBE (7) and VACUUM BREAKER
COUPLING NUT (6).
Note: There is a ±13mm, (±1/2) tolerance for the 121mm
(4-3/4) dimension. Fig. 6b.
3. Pull the VACUUM BREAKER COUPLING NUT (6) up
to meet the threaded FLUSH VALVE CONNECTION (8)
and hand tighten. Align all components of the flush valve
assembly. Fig. 6b.
4. Lightly tighten the COUPLING NUT (5) connection first,
then the VACUUM BREAKER COUPLING NUT (6) and
finally the SPUD COUPLING NUT (9). Once alligned
correctly, use a wrench to tighten couplings to make water
tight connections. Fig. 6b.
5. After installing FLAT SEAL (10) into FLUSHING UNIT (11),
install FLUSHING UNIT (11). Fig. 6b.
5
FLUSH OUT SUPPLY LINES; Fig. 7
1. Make sure supply stop is closed. Remove COVER (1)
from SUPPLY STOP (2). With a flat blade screwdriver
close CONTROL STOP (2).
2. Remove FLUSH VALVE CAP (3 & 4). Pull out
DIAPHRAGM ASSEMBLY (5). Replace FLUSH VALVE
CAP (3 & 4) and tighten.
3. With a flat blade screwdriver open SUPPLY STOP (2).
to flush line of any debris or sediment.
4. Close SUPPLY STOP (2). Remove FLUSH VALVE
CAP (3 & 4). Replace DIAPHRAGM ASSEMBLY (5).
Replace FLUSH VALVE CAP (3 & 4) and tighten.
Fig. 6a
Fig. 6b
Fig. 7
5
1
4
5
2
121mm, 13mm
+
–
(4-3/4")( 1/2")
+
–
10
5
2
8
6
7
9
3
4
5
2
COUNTER-CLOCKWISE
OPENS CONTROL STOP
CLOCKWISE
REMOVE COVER
CLOSES CONTROL STOP
1
M965890 Rev. 1.1 (1/19)
3